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esp_hw_support: cleanup crypto lock APIs for ESP32-C2

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This commit is contained in:
Mahavir Jain 2022-03-21 10:42:40 +05:30 committed by BOT
parent 0621a6f513
commit f7fc3e2d88
4 changed files with 3 additions and 126 deletions
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55
components/esp_hw_support/include/soc/esp32c2/esp_crypto_lock.h
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@ -10,58 +10,9 @@
extern "C" {
#endif
/**
* @brief Acquire lock for HMAC cryptography peripheral
*
* Internally also locks the SHA peripheral, as the HMAC depends on the SHA peripheral
*/
void esp_crypto_hmac_lock_acquire(void);
/**
* @brief Release lock for HMAC cryptography peripheral
*
* Internally also releases the SHA peripheral, as the HMAC depends on the SHA peripheral
*/
void esp_crypto_hmac_lock_release(void);
/**
* @brief Acquire lock for DS cryptography peripheral
*
* Internally also locks the HMAC (which locks SHA), AES and MPI peripheral, as the DS depends on these peripherals
*/
void esp_crypto_ds_lock_acquire(void);
/**
* @brief Release lock for DS cryptography peripheral
*
* Internally also releases the HMAC (which locks SHA), AES and MPI peripheral, as the DS depends on these peripherals
*/
void esp_crypto_ds_lock_release(void);
/**
* @brief Acquire lock for the SHA and AES cryptography peripheral.
*
*/
void esp_crypto_sha_aes_lock_acquire(void);
/**
* @brief Release lock for the SHA and AES cryptography peripheral.
*
*/
void esp_crypto_sha_aes_lock_release(void);
/**
* @brief Acquire lock for the mpi cryptography peripheral.
*
*/
void esp_crypto_mpi_lock_acquire(void);
/**
* @brief Release lock for the mpi/rsa cryptography peripheral.
*
*/
void esp_crypto_mpi_lock_release(void);
// Place-holder lock APIs as hardware AES is not supported in ESP32-C2
static inline void esp_crypto_sha_aes_lock_acquire(void) {}
static inline void esp_crypto_sha_aes_lock_release(void) {}
#ifdef __cplusplus
}

1
components/esp_hw_support/port/esp32c2/CMakeLists.txt
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@ -10,7 +10,6 @@ set(srcs "cpu_util_esp32c2.c"
if(NOT BOOTLOADER_BUILD)
list(APPEND srcs "../async_memcpy_impl_gdma.c"
"esp_crypto_lock.c"
"dport_access.c")
endif()

71
components/esp_hw_support/port/esp32c2/esp_crypto_lock.c
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@ -1,71 +0,0 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <sys/lock.h>
#include <stdlib.h>
#include "esp_crypto_lock.h"
/* Lock overview:
SHA: peripheral independent, but DMA is shared with AES
AES: peripheral independent, but DMA is shared with SHA
MPI/RSA: independent
HMAC: needs SHA
DS: needs HMAC (which needs SHA), AES and MPI
*/
#if 0 // TODO: IDF-4229
/* Lock for DS peripheral */
static _lock_t s_crypto_ds_lock;
/* Lock for HMAC peripheral */
static _lock_t s_crypto_hmac_lock;
/* Lock for the MPI/RSA peripheral, also used by the DS peripheral */
static _lock_t s_crypto_mpi_lock;
/* Single lock for SHA and AES, sharing a reserved GDMA channel */
static _lock_t s_crypto_sha_aes_lock;
#endif
void esp_crypto_hmac_lock_acquire(void)
{
abort(); // TODO: IDF-4229
}
void esp_crypto_hmac_lock_release(void)
{
abort(); // TODO: IDF-4229
}
void esp_crypto_ds_lock_acquire(void)
{
abort(); // TODO: IDF-4229
}
void esp_crypto_ds_lock_release(void)
{
abort(); // TODO: IDF-4229
}
void esp_crypto_sha_aes_lock_acquire(void)
{
abort(); // TODO: IDF-4229
}
void esp_crypto_sha_aes_lock_release(void)
{
abort(); // TODO: IDF-4229
}
void esp_crypto_mpi_lock_acquire(void)
{
abort(); // TODO: IDF-4229
}
void esp_crypto_mpi_lock_release(void)
{
abort(); // TODO: IDF-4229
}

2
components/mbedtls/port/esp_ds/esp_rsa_sign_alt.c
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@ -15,8 +15,6 @@
#include "esp32h2/rom/digital_signature.h"
#elif CONFIG_IDF_TARGET_ESP32S3
#include "esp32s3/rom/digital_signature.h"
#elif CONFIG_IDF_TARGET_ESP32C2
#include "esp32c2/rom/digital_signature.h"
#else
#error "Selected target does not support esp_rsa_sign_alt (for DS)"
#endif